2005 Nippon Professional Baseball season
In the Nippon Professional Baseball season ended with the Chiba Lotte Marines of the Pacific League defeating the Hanshin Tigers of the Central League in a four-game sweep in the Nippon Series.
Format
Central League
- Season Format
- * Regular Season
- Regular Season 1st place is the champion
Pacific League
- Season Format
- * Regular Season
- * Playoff 1st Stage: Regular Season 2nd place vs. Regular Season 3rd place – Best of 3
- * Playoff 2nd Stage: Regular Season 1st place vs. Playoff 1st Stage winner – Best of 5
- Playoff 2nd Stage winner is the champion
Japan Series
- Central League champion vs. Pacific League champion – Best of 7
Standings
Central League
- Champions: Hanshin Tigers
Regular Season
Pacific League
- Champions: Chiba Lotte Marines
Regular Season
Playoff 1st Stage
Chiba Lotte Marines vs. Seibu LionsPlayoff 2nd Stage
Fukuoka SoftBank Hawks vs. Chiba Lotte MarinesJapan Series
Leaders
Batting
Pitching
Awards
Best Nine Awards
Central League| Position | Player | Team |
| P | Hiroki Kuroda | Hiroshima Toyo Carp |
| C | Akihiro Yano | Hanshin Tigers |
| 1B | Takahiro Arai | Hiroshima Toyo Carp |
| 2B | Masahiro Araki | Chunichi Dragons |
| 3B | Makoto Imaoka | Hanshin Tigers |
| SS | Hirokazu Ibata | Chunichi Dragons |
| OF | Norihiro Akahoshi | Hanshin Tigers |
| OF | Norichika Aoki | Yakult Swallows |
| OF | Tomoaki Kanemoto | Hanshin Tigers |
Pacific League
| Position | Player | Team |
| P | Toshiya Sugiuchi | Fukuoka SoftBank Hawks |
| C | Kenji Johjima | Fukuoka SoftBank Hawks |
| 1B | Julio Zuleta | Fukuoka SoftBank Hawks |
| 2B | Koichi Hori | Chiba Lotte Marines |
| 3B | Toshiaki Imae | Chiba Lotte Marines |
| SS | Tsuyoshi Nishioka | Chiba Lotte Marines |
| OF | Matt Franco | Chiba Lotte Marines |
| OF | Katsuhiko Miyaji | Fukuoka SoftBank Hawks |
| OF | Kazuhiro Wada | Seibu Lions |
| DH | Nobuhiko Matsunaka | Fukuoka SoftBank Hawks |
Gold Gloves
Central League| Position | Player | Team |
| P | Hiroki Kuroda | Hiroshima Toyo Carp |
| C | Akihiro Yano | Hanshin Tigers |
| 1B | Andy Sheets | Hanshin Tigers |
| 2B | Masahiro Araki | Chunichi Dragons |
| 3B | Akinori Iwamura | Yakult Swallows |
| SS | Hirokazu Ibata | Chunichi Dragons |
| OF | Kosuke Fukudome | Chunichi Dragons |
| OF | Norihiro Akahoshi | Hanshin Tigers |
| OF | Tatsuhiko Kinjo | Yokohama BayStars |
Pacific League
| Position | Player | Team |
| P | Daisuke Matsuzaka | Seibu Lions |
| C | Kenji Johjima | Fukuoka SoftBank Hawks |
| 1B | Kazuya Fukuura | Chiba Lotte Marines |
| 2B | Tsuyoshi Nishioka | Chiba Lotte Marines |
| 3B | Toshiaki Imae | Chiba Lotte Marines |
| SS | Makoto Kosaka | Chiba Lotte Marines |
| OF | Tsuyoshi Shinjo | Hokkaido Nippon-Ham Fighters |
| OF | Saburo Ohmura | Chiba Lotte Marines |
| OF | Naoyuki Ohmura | Fukuoka SoftBank Hawks |